1803426413 has 2 divisors, whose sum is σ = 1803426414. Its totient is φ = 1803426412.

The previous prime is 1803426403. The next prime is 1803426421. The reversal of 1803426413 is 3146243081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1051186084 + 752240329 = 32422^2 + 27427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1803426413 - 2⁴ = 1803426397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1803426413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1803426403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901713206 + 901713207.

It is an arithmetic number, because the mean of its divisors is an integer number (901713207).

Almost surely, 2^1803426413 is an apocalyptic number.

It is an amenable number.

1803426413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1803426413 is an equidigital number, since it uses as much as digits as its factorization.

1803426413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1803426413 is about 42466.7683371363. The cubic root of 1803426413 is about 1217.2117667610.

Adding to 1803426413 its reverse (3146243081), we get a palindrome (4949669494).

The spelling of 1803426413 in words is "one billion, eight hundred three million, four hundred twenty-six thousand, four hundred thirteen".